OpenTechnical

OT-2026-000022820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000022820) never changes.

Identity and time

Publication numberOT-2026-000022820 · never reused
Internal UUID01a0ae70-46ea-75cc-9f62-e75c7c2fd37c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022820
StatusPUBLIC

Content hashes

Canonical textd1416a29029f9bb44642cc0e57e811306a44b8c9096c5eb1e311110e95e74f68
Markdown35428ada3ea693fde30e7063237e47a359680d9a92170d89c87c856106ba08c4
PDF
Publication page9aac5d87e198c8ab50293fc8089923322d399f732eaaafbda835054c72409dfd
Manifestf5dd69bf30cc60c7e02b05fa62b960319fa786139724df7af327074b542a2b60

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureoNenmU1DKHtS6kMDedJ3GUPeWMIVDglvJ1/GylULRKeeeVLN3gBdDquLiLxuGHpYN2r3/mHCtYuWN0OtA1WTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:20.972900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022820
observed 9aac5d87e198c8ab50293fc808992332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.952927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022820/manifest.json
observed f5dd69bf30cc60c7e02b05fa62b96031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.931772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022820/publication.md
observed 35428ada3ea693fde30e7063237e47a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.911430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022820/publication.txt
observed d1416a29029f9bb44642cc0e57e81130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.